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URLhttps://blog.csdn.net/Jane_JU/article/details/124929496
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Meta TitleRuntimeError: Invalid device string: ‘0,1,2,3‘_runtimeerror: invalid device string: 'cuda:0,1,2,3-CSDN博客
Meta Description文章浏览阅读7.2k次。本文探讨了如何将环境变量CUDA_VISIBLE_DEVICES的设置转换为torch.device,以根据可用资源动态选择GPU或CPU。通过device属性,提高了代码的灵活性和效率。
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# RuntimeError: Invalid device string: ‘0,1,2,3‘ 原创 已于 2022-05-23 16:26:57 修改 · 7\.2k 阅读 · ![](https://csdnimg.cn/release/blogv2/dist/pc/img/newHeart2023Active.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/newHeart2023Black.png) 0 · [![](https://csdnimg.cn/release/blogv2/dist/pc/img/tobarCollect2.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/tobarCollectionActive2.png) 4]() · CC 4.0 BY-SA版权 版权声明:本文为博主原创文章,遵循 [CC 4.0 BY-SA](http://creativecommons.org/licenses/by-sa/4.0/) 版权协议,转载请附上原文出处链接和本声明。 文章标签: [\#pytorch](https://so.csdn.net/so/search/s.do?q=pytorch&t=all&o=vip&s=&l=&f=&viparticle=&from_tracking_code=tag_word&from_code=app_blog_art) [\#人工智能](https://so.csdn.net/so/search/s.do?q=%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD&t=all&o=vip&s=&l=&f=&viparticle=&from_tracking_code=tag_word&from_code=app_blog_art) [\#python](https://so.csdn.net/so/search/s.do?q=python&t=all&o=vip&s=&l=&f=&viparticle=&from_tracking_code=tag_word&from_code=app_blog_art) 于 2022-05-23 16:22:07 首次发布 [![](https://i-blog.csdnimg.cn/columns/default/20201014180756923.png?x-oss-process=image/resize,m_fixed,h_224,w_224) ImportError 专栏收录该内容](https://blog.csdn.net/jane_ju/category_11570148.html "ImportError") 5 篇文章 [订阅专栏]() ![](https://img-home.csdnimg.cn/images/20240711042549.png) 本文探讨了如何将环境变量CUDA\_VISIBLE\_DEVICES的设置转换为torch.device,以根据可用资源动态选择GPU或CPU。通过device属性,提高了代码的灵活性和效率。 摘要生成于 [C知道](https://ai.csdn.net/?utm_source=cknow_pc_ai_abstract) ,由 DeepSeek-R1 满血版支持, [前往体验 \>](https://ai.csdn.net/?utm_source=cknow_pc_ai_abstract) ![在这里插入图片描述](https://i-blog.csdnimg.cn/blog_migrate/883d55e2857988c3530dd5aff6b384d1.png) 开头加上 import os os.environ\[‘CUDA\_VISIBLE\_DEVICES’\] = ‘0,1,2,3’ ![在这里插入图片描述](https://i-blog.csdnimg.cn/blog_migrate/a2be2d20f4077b1a1b5375abb07b9bd4.png) ![在这里插入图片描述](https://i-blog.csdnimg.cn/blog_migrate/77649136a7372fd565890deb55f18a9f.png) 改为: device = torch.device(‘cuda’ if torch.cuda.is\_available() else ‘cpu’ ) ![在这里插入图片描述](https://i-blog.csdnimg.cn/blog_migrate/5b043da955a30d0d5d9835eb172cb8e6.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/vip-limited-close-newWhite.png) 确定要放弃本次机会? 福利倒计时 *:* *:* ![](https://csdnimg.cn/release/blogv2/dist/pc/img/vip-limited-close-roup.png) 立减 ¥ 普通VIP年卡可用 [立即使用](https://mall.csdn.net/vip) [![](https://profile-avatar.csdnimg.cn/default.jpg!1) Jane\_JU](https://blog.csdn.net/Jane_JU) [关注]() [关注]() - [![](https://csdnimg.cn/release/blogv2/dist/pc/img/tobarThumbUpactive.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/like-active.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/like.png) 0]() 点赞 - [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/unlike-active.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/unlike.png)]() 踩 - [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/collect-active.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/collect.png) ![](https://csdnimg.cn/release/blogv2/dist/pc/img/newCollectActive.png) 4]() 收藏 觉得还不错? 一键收藏 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/collectionCloseWhite.png) - ![](https://csdnimg.cn/release/blogv2/dist/pc/img/guideRedReward01.png) 知道了 [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/comment.png) 0](https://blog.csdn.net/Jane_JU/article/details/124929496#commentBox) 评论 - [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/share.png) 分享]() [复制链接]() [分享到 QQ]() [分享到新浪微博]() ![](https://csdnimg.cn/release/blogv2/dist/pc/img/share/icon-wechat.png)扫一扫 - [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/more.png)]() [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/report.png) 举报]() [![](https://csdnimg.cn/release/blogv2/dist/pc/img/toolbar/report.png) 举报]() [专栏目录]() [*PyTorch*学习(*2*):torch.*device*](https://blog.csdn.net/tecsai/article/details/137096667) [tecsai的博客](https://blog.csdn.net/tecsai) 03-28 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 2676 [torch.*device* 是 *PyTorch* 中的一个类,它指定了张量(Tensor)和模型应该运行在哪个设备上。在深度学习中,通常会使用 GPU 来加速计算,而 torch.*device* 允许你轻松地在 CPU 和 GPU 之间切换。](https://blog.csdn.net/tecsai/article/details/137096667) [解决报错:*RuntimeError**:* *Invalid* *device* *string**:* ‘cuda:*0*‘](https://devpress.csdn.net/v1/article/detail/121021722) [零碎@流年絮语 的博客](https://blog.csdn.net/qq_44824148) 10-31 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 1万+ [错误再现: 出错原因: os.environ\[*'CUDA*\_VISIBLE\_*DEVICE*S'\] = '*0*' *device* = torch.*device*(*'cuda*:*0*' if torch.cuda.is\_available() and use\_cuda else 'cpu') 应修改为: os.environ\[*'CUDA*\_VISIBLE\_*DEVICE*S'\] = '*0*' *device* = torch.*device*(*'cuda*' if torch.cuda.is\_available() and use\_cud](https://devpress.csdn.net/v1/article/detail/121021722) 参与评论 您还未登录,请先 登录 后发表或查看评论 [*pytorch* 报错:*RuntimeError**:* *Invalid* *device* *string**:* ‘*0*‘](https://devpress.csdn.net/v1/article/detail/117971212) [sazass的博客](https://blog.csdn.net/sazass) 06-17 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 5235 [具体原因: windows下不支持函数 torch.cuda.set\_*device*(args.gpu),在linux下支持。 因此需要替换这行代码(怎么改不会)。 如下: \# torch.cuda.set\_*device*(args.gpu) \# model = model.cuda(args.gpu) cuda = torch.cuda.is\_available() if cuda*:* model.cuda() ...](https://devpress.csdn.net/v1/article/detail/117971212) [*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal 最新发布](https://blog.csdn.net/weixin_46535650/article/details/143130672) [weixin\_46535650的博客](https://blog.csdn.net/weixin_46535650) 10-21 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 292 [*device* = torch.*device*("cuda*:**1*") \# 这应该改为 cuda*:**0*。然后将对应文件中的gpu数量改为*0*(gpu都是从*0*开始编号的)查看此设备有多少GPU可用(我的是只有一个)我遇到的问题是,GPU数量不够,只有一个。在IDE中可用高级检索功能 ,通过。若是这种,就不需要修改。](https://blog.csdn.net/weixin_46535650/article/details/143130672) [*python*报错:*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal](https://blog.csdn.net/qq_38397338/article/details/115016086) [奔跑的小猪仔](https://blog.csdn.net/qq_38397338) 03-19 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 1809 [只需要在用到*device*的地方,如 torch.Tensor(\[(self.\_dim + *1*) / *2*\], *device*\=self.*device*) 加上这句话即可,表示又cuda就用cuda,没有的话就用cpu *device* = torch.*device*(“cuda*:**0*” if torch.cuda.is\_available() else “cpu”) ps:可以把"cuda*:**0*"换成"cuda*:**1*"试试 ...](https://blog.csdn.net/qq_38397338/article/details/115016086) [*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal CUDA kernel errors might be asynchronously repo](https://yanqianyun.blog.csdn.net/article/details/140780103) [m0\_73367097的博客](https://blog.csdn.net/m0_73367097) 07-29 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 2957 [*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal CUDA kernel errors might be asynchronously repo](https://yanqianyun.blog.csdn.net/article/details/140780103) [*Invalid* *device* *string**:* ‘cuda*:* *0*‘尝试解决方法](https://devpress.csdn.net/v1/article/detail/131786926) [GJmachine\_code的博客](https://blog.csdn.net/GJmachine_code) 07-18 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 1367 [尝试把中间的空格去了 我就是的。](https://devpress.csdn.net/v1/article/detail/131786926) [torch.*device*()](https://blog.csdn.net/weixin_42663766/article/details/135407533) [weixin\_42663766的博客](https://blog.csdn.net/weixin_42663766) 01-05 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 884 [表示使用第一个可用的GPU。*device* = torch.*device*("cuda" if torch.cuda.is\_available() else "cpu")),也可以是一个整数,表示要使用的GPU设备的索引号。函数,参数可以是字符串,指定要使用的设备(如。](https://blog.csdn.net/weixin_42663766/article/details/135407533) [编程中的runtime\_error问题](https://blog.csdn.net/weixin_30621711/article/details/97241791) [weixin\_30621711的博客](https://blog.csdn.net/weixin_30621711) 11-27 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 469 [前几天在编程中,代码如下: 头文件:ErrorHandlingModule.h //filename*:*ErrorHandlingModule.h \#ifndef ErrorHandlingModule\_H \#define ErrorHandlingModule\_H \#include \<stdexcept\> using namespace std; na...](https://blog.csdn.net/weixin_30621711/article/details/97241791) [*pytorch* 使用GPU进行神经网络训练出现问题 *RuntimeError**:* CUDA error*:* *invalid* *device* ordinal](https://devpress.csdn.net/v1/article/detail/115165134) [Childhood\_Sweetheart的博客](https://blog.csdn.net/Childhood_Sweetheart) 03-24 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 2386 [实验室里有两块GTX*1**0*8*0*Ti 的显卡,一开始只是使用第一块显卡,需要在代码中加入这样一行代码: *device* = torch.*device*("cuda*:**0*" if torch.cuda.is\_available() else "cpu") 但是第一块显卡被使用了,要用第二块显卡,于是我就将代码改为: *device* = torch.*device*("cuda*:**1*" if torch.cuda.is\_available() else "cpu") 但是出现了这样的错误,在网上查阅了资料才发现需要这](https://devpress.csdn.net/v1/article/detail/115165134) [问题解决 \| *RuntimeError**:* CUDA error*:* *invalid* *device* ordinalCUDA kernel errors](https://devpress.csdn.net/v1/article/detail/136449672) [weixin\_44649780的博客](https://blog.csdn.net/weixin_44649780) 03-04 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 5660 [*RuntimeError*(运行时错误): CUDA 错误:设备序号无效CUDA 内核错误可能会在其他 API 调用中异步报告,因此下面的堆栈跟踪可能不正确。为便于调试,可考虑通过 CUDA\_LAUNCH\_BLOCKING=*1*。使用 \`TORCH\_USE\_CUDA\_DSA\` 进行编译,以启用设备端断言。](https://devpress.csdn.net/v1/article/detail/136449672) [*Python*运行错误:*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal 热门推荐](https://devpress.csdn.net/v1/article/detail/105167947) [yxh的博客](https://blog.csdn.net/sinat_37422398) 03-28 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 3万+ [用*pytorch*跑实验需要用到cuda加速,开始默认用的是第*0*块gpu,后来第*0*块cpu被别人占用,所以只能切换到第*1*块gpu。 于是进行了如下修改 *device* = torch.*device*(*'cuda**:**1*' if torch.cuda.is\_available() else 'cpu' ) 但是出现了错误: *RuntimeError**:* CUDA error*:* *invalid* *device* o...](https://devpress.csdn.net/v1/article/detail/105167947) [已解决:*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal CUDA kernel errors might be asynchronously repo](https://alextechvision.blog.csdn.net/article/details/139473439) [科技改变人类,技术成就未来](https://blog.csdn.net/g310773517) 06-05 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 2641 [解决*Python*报错:*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal CUDA kernel errors might be asynchronously repo](https://alextechvision.blog.csdn.net/article/details/139473439) [【BUG】已解决*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal CUDA kernel errors might be asynchronously](https://yanqianyun.blog.csdn.net/article/details/138339053) [m0\_73367097的博客](https://blog.csdn.net/m0_73367097) 04-30 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 3705 [已解决*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal CUDA kernel errors might be asynchronously](https://yanqianyun.blog.csdn.net/article/details/138339053) [“*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal”解决方法](https://devpress.csdn.net/v1/article/detail/131516761) [qq\_43826289的博客](https://blog.csdn.net/qq_43826289) 07-03 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 8498 [参考:https*:*//blog.csdn.net/qxqxqzzz/article/details/*1**0*77*2**0*675。用的*Pytorch*分布式代码,指定的每个节点GPU个数和你指定的GPU序号不对应(我出错的地方就是在这里)用于日常排错,自用。其他小伙伴跟我不一样的错误可以参考我给出博客地址,看看自己到底是哪里除了错误。S就只指定了两个GPU,对应不起来导致的。另:rank表示的结点之间的主、从关系。通过nnodes指定总共使用*1*个节点,通过。指定了该节点启*3*个进程,但是前面。](https://devpress.csdn.net/v1/article/detail/131516761) [DEBUG-- *RuntimeError**:* CUDA error*:* *invalid* *device* ordinal](https://blog.csdn.net/qq_45736022/article/details/122663779) [qq\_45736022的博客](https://blog.csdn.net/qq_45736022) 01-24 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 3411 [在使用以下代碼訓練時會報錯*RuntimeError**:* CUDA error*:* *invalid* *device* ordinal, CUDA\_VISIBLE\_*DEVICE*S=*0,1,2,3*,4,5,6,7 \\ *python* -m torch.distributed.launch \\ --nproc\_per\_node 8 原因是机器的GPU数量和指定的GPU数量不一致,如果机器上只有4个GPU,就需要将代码修改为: CUDA\_VISIBLE\_*DEVICE*S=*0,1,2,3* \\ *python* -m torch.](https://blog.csdn.net/qq_45736022/article/details/122663779) [cuda常见报错](https://blog.csdn.net/qq_41900846/article/details/128536185) [qq\_41900846的博客](https://blog.csdn.net/qq_41900846) 01-03 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 8020 [cuda常见报错](https://blog.csdn.net/qq_41900846/article/details/128536185) [成功解决*RuntimeError**:* radix\_sort*:* failed on *1*st step*:* cudaError*Invalid**Device**:* *invalid* *device* ordinal](https://devpress.csdn.net/v1/article/detail/121270986) [qq\_55068938的博客](https://blog.csdn.net/qq_55068938) 11-11 ![](https://csdnimg.cn/release/blogv2/dist/pc/img/readCountWhite.png) 6514 [成功解决*RuntimeError**:* radix\_sort*:* failed on *1*st step*:* cudaError*Invalid**Device**:* *invalid* *device* ordinal 项目场景: linux下detectron*2*异常解决 问题描述: 最近用到了detectron*2*来进行实例分割,遇到了一个非常奇葩的问题,根据detectron*2*的要求,我的*pytorch*版本选择了*1*.8.*0*。我先在windows跑了几天,服务器回来后,打算移植到服务器上,同样也安装了*1*.8.*0*的*pytorch*。](https://devpress.csdn.net/v1/article/detail/121270986) [*RuntimeError**:* *Invalid* *device* *string**:* \&\#*3*9;*0*\&\#*3*9;](https://wenku.csdn.net/answer/7d3a76e4e8714a1181c478e644d82e96) 04-03 [This error usually occurs when a *device* *string* is not recognized or is *invalid*. Here are some possible causes and solutions*:* *1*. 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